mei: use sysfs_emit() in tx_queue_limit_show sysfs

Using of snprintf is discouraged in sysfs use the new sysfs_emit() API.

Signed-off-by: Tomas Winkler <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/misc/mei/main.c

···
 	size = dev->tx_queue_limit;
 	mutex_unlock(&dev->device_lock);
 
-	return snprintf(buf, PAGE_SIZE, "%u\n", size);
+	return sysfs_emit(buf, "%u\n", size);
 }
 
 static ssize_t tx_queue_limit_store(struct device *device,